CN103470043B - Jib manufacture method, with the jib of the method manufacture and the pump truck that uses this jib - Google Patents
Jib manufacture method, with the jib of the method manufacture and the pump truck that uses this jib Download PDFInfo
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- CN103470043B CN103470043B CN201210184540.0A CN201210184540A CN103470043B CN 103470043 B CN103470043 B CN 103470043B CN 201210184540 A CN201210184540 A CN 201210184540A CN 103470043 B CN103470043 B CN 103470043B
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- jib
- aluminium alloy
- alloy extrusions
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Abstract
The technical problem to be solved is to provide a kind of method that aluminium alloy extrusions manufactures jib；Further, a kind of jib is also provided for；Further, a kind of pump truck using jib provided by the present invention is also provided for.In order to solve the problems referred to above, the technical solution used in the present invention is: the manufacture method of a kind of jib, comprises the following steps: squeeze out aluminium alloy extrusions；Aluminium alloy extrusions is carried out variable cross-section process, i.e. in the position that main body stress is less, removes portion of material, form various sizes of cross section.The present invention also provides for a kind of jib, and described jib is to be formed, including the main body in predetermined angle and head by aluminium alloy extrusions is curved process and variable cross-section process；The present invention also provides for a kind of pump truck, and described pump truck uses jib provided by the present invention.
Description
Technical field
The invention belongs to pumping vehicle arm rack technical field, particularly relate to a kind of jib manufacture method, with the jib of the method manufacture and make
With the pump truck of this jib.
Background technology
Pump truck is a kind of machinery utilizing pressure that concrete is delivered to continuously certain altitude along pipeline.Therefore, jib is that pump truck is defeated
Sending the important component part in mechanism, the weight of jib, intensity, compactness directly affect conveying capacity.Existing jib is equal
For steel design, it is primarily present following shortcoming: the most existing jib is steel, from great, loads relatively reduced；2. jib
It is to be welded, easily corrodes in producing in the open, form gap, affect the intensity of jib.Therefore use lighter than steel, resistance to
The material of corrosion makes jib, then can avoid problem above, and the light weight of aluminium own, corrosion-resistant, preferred material beyond doubt.
But, how by aluminum profile extrusion, currently without effective process.
Summary of the invention
The technical problem to be solved is to provide a kind of method that aluminium alloy extrusions manufactures jib；
Further, a kind of jib is also provided for；
Further, a kind of pump truck using jib provided by the present invention is also provided for.
In order to solve the problems referred to above, the technical solution used in the present invention is:
The manufacture method of a kind of jib, comprises the following steps:
A. aluminium alloy extrusions is squeezed out；
B. described aluminium alloy extrusions at least one end is done bending process, forms the main body in predetermined angle and head；
Optionally, described aluminium alloy extrusions carrying out Quenching Treatment, described Quenching Treatment is before bending process；
Optionally, the aluminium alloy extrusions after bending is carried out Ageing Treatment, form high-strength aluminum alloy section, described Ageing Treatment
After bending process；
Optionally, also include that the variable cross-section to main body processes, i.e. in the position that main body stress is less, remove portion of material, formed
Various sizes of cross section, variable cross-section processes after Ageing Treatment；
Optionally, the condition of extruding aluminium alloy sectional is: ingot casting temperature 480 DEG C-540 DEG C, mold temperature 500 DEG C-520 DEG C, squeezes
Pressure speed 2m/min-10m/min；
Optionally, the condition of described quenching is: water temperature 20 DEG C-50 DEG C, hydraulic pressure 0.2Mpa-0.5Mpa；
Optionally, the angle of described aluminium alloy extrusions main body and head is 137 ° ± 7 °；
Optionally, described aging temperature is 150 DEG C-200 DEG C, timeliness duration 6h-24h.
The present invention also provides for a kind of jib, and described jib includes by least one end of aluminium alloy extrusions is done what bending process was formed
And the main body in predetermined angle and head；
Optionally, in the position that described jib main body stress is less, remove portion of material, form various sizes of cross section；
Optionally, described aluminium alloy is 6 line aluminium alloys or 7 line aluminium alloys；
Optionally, described predetermined angle is 137 ° ± 7 °.
The present invention also provides for a kind of pump truck using described jib.
The beneficial effects of the present invention is:
1. extruded uiform section aluminium alloy is processed into the blank possessing jib by the present invention by bending process, i.e. includes main body
And head, it is simple to it is processed further；Also allow for meeting after the process the movement needs of jib；
2. variable cross-section processes in the less position of main body stress, removes portion of material, forms various sizes of cross section, solve not
Prismatic problem.
3. intensity is high.The problem that take fashion of extrusion to avoid intensity that welded seam brought is low.
4. processing capacity is little, low cost.Use extrudate mode to shorten the blanking time, eliminate weld interval, reduce and add
Work amount, reduces cost.
Accompanying drawing explanation
Fig. 1 is aluminium alloy section structure figure
Fig. 2 is the aluminium alloy extrusions after bending process
Fig. 3 is that variable cross-section processes schematic diagram
1 aluminium alloy extrusions 2 main body 3 head
Detailed description of the invention
Below in conjunction with detailed description of the invention briefly, clearly demonstrate claimed technology contents.It should be evident that institute
The embodiment enumerated is the part in all embodiments, it is intended to the technology contents of technical scheme is described, this area any
Technical staff makes other embodiments apparently and still falls within the protection domain of present specification according to present specification.
With reference to Fig. 1,2, the manufacture method of a kind of jib, comprise the following steps:
A. aluminium alloy extrusions 1 is squeezed out；
B. described aluminium alloy extrusions at least one end is done bending process, forms the main body 2 in predetermined angle and head 3；
Optionally, described aluminium alloy extrusions carrying out Quenching Treatment, described Quenching Treatment is before bending process；
Optionally, the aluminium alloy extrusions after bending being carried out Ageing Treatment, form the jib of high intensity, described Ageing Treatment is curved
After bent process；
Optionally, also include that the variable cross-section to main body processes, i.e. in the position that main body stress is less, remove portion of material, formed
Various sizes of cross section, variable cross-section processes after Ageing Treatment；As it is shown on figure 3, carry out variable cross-section process along dotted line a.
Optionally, in aforementioned schemes, the condition of extruding aluminium alloy sectional is: ingot casting temperature 480 DEG C, and mold temperature is 500 DEG C,
Extrusion speed is 10m/min, aluminium alloy extrusions temperature extruded under these process conditions between 500 DEG C-508 DEG C,
After this temperature range quenches, the intensity of obtained jib can arrive 320-324Mpa；In addition, ingot casting temperature
Can also is that 482 DEG C, 486 DEG C, 492 DEG C, 495 DEG C, 498 DEG C, 502 DEG C, 504 DEG C, 510 DEG C, 516 DEG C, 520 DEG C, 526 DEG C,
528 DEG C, 535 DEG C, 538 DEG C, 540 DEG C, mold temperature can also is that 502 DEG C, 503 DEG C, 504 DEG C, 505 DEG C, 506 DEG C,
508 DEG C, 509 DEG C, 510 DEG C, 511 DEG C, 512 DEG C, 514 DEG C, 515 DEG C, 518 DEG C, 519 DEG C, 520 DEG C, with ingot casting temperature
The extrusion speed being corresponding in turn to is 10m/min, 9.5m/min, 9m/min, 8.5m/min, 8m/min, 7.5m/min, 7
M/min, 6.5m/min, 6m/min, 5.5m/min, 5m/min, 4.5m/min, 4m/min, 3.5m/min, 3m/min,
2m/min, former states ingot casting temperature, mold temperature and the aluminium alloy extrusions of extrusion speed extruding being corresponding in turn to ingot casting temperature,
Its temperature is between 500 DEG C-550 DEG C, and this temperature range is after quenching, and the intensity of jib body can reach
Between 321Mpa-440Mpa, being especially 498 DEG C～504 DEG C when ingot casting temperature, mold temperature is 505 DEG C～510 DEG C, with casting
When extrusion speed corresponding to ingot temperature is 4m/min～8.5m/min, intensity can reach more than 400Mpa, meet operation strong
Degree requirement.
Optionally, described quenching condition is: water temperature 20 DEG C, hydraulic pressure 0.3Mpa, compares, enhanced intensity before quenching；This
Outward, hardening heat can also be 22 DEG C, 26 DEG C, 29 DEG C, 32 DEG C, 37 DEG C, 40 DEG C, 45 DEG C, 48 DEG C, 50 DEG C；Hydraulic pressure is
0.2Mpa、0.25Mpa、0.28Mpa、0.31Mpa、0.35Mpa、0.39Mpa、0.42Mpa、0.46Mpa、0.5Mpa。
Optionally, the method for described bending process includes press-bending, bending, roll bending, roll bending, stretch bending, aluminium alloy after bending process
The angle of main body and head is 137 °, and when angle is 137 °, the load capacity of jib is maximum；Additionally, angle can also is that
130°、133°、135°、140°、144°。
Optionally, described aging temperature is 150 DEG C, timeliness duration 24h, the intensity before strength ratio timeliness after jib timeliness
Bigger.Aging temp can also is that 155 DEG C, 160 DEG C, 165 DEG C, 170 DEG C, 175 DEG C, 180 DEG C, 185 DEG C, 190 DEG C, 195 DEG C,
200 DEG C, a length of 23h, 21h, 19h, 18h, 16h, 15h, 14h, 12h, 10h, 8h during corresponding timeliness.Timeliness
When temperature is less than 150 DEG C, it is impossible to provide sufficient energy for atom, it is impossible to realize timeliness；When temperature is more than 200 DEG C, alloy
Soften, overaging occurs, thus the intensity of jib can be reduced；
Optionally, during extruding aluminium alloy jib body, select heat treatment can reinforced alloys, as 6 are or 7 line aluminium alloys.
The present invention also provides for a kind of jib, and described jib includes by least one end of aluminium alloy extrusions is done what bending process was formed
And the main body in predetermined angle and head；
Optionally, in the position that described jib main body stress is less, remove portion of material, form various sizes of cross section；
Optionally, any aluminium alloy can be selected to manufacture the aluminium alloy that jib, especially heat treatment can be strengthened, such as 6 line aluminium alloys
Or 7 line aluminium alloys；
Optionally, the angle of described main body and head is 137 ° ± 7 °.
The present invention also provides for a kind of pump truck using described jib.
Claims (2)
1. a jib, it is characterised in that described jib includes by least to aluminium alloy extrusions
End does bending process is formed and the main body in predetermined angle and head,
In the position that described jib main body stress is less, remove portion of material, form various sizes of section
Face,
Described aluminium alloy is 6 line aluminium alloys or 7 line aluminium alloys,
The predetermined angle of described aluminium alloy extrusions main body and head is 137 ° ± 7 °.
2. a pump truck, it is characterised in that described pump truck uses the jib that claim 1 provides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210184540.0A CN103470043B (en) | 2012-06-06 | 2012-06-06 | Jib manufacture method, with the jib of the method manufacture and the pump truck that uses this jib |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210184540.0A CN103470043B (en) | 2012-06-06 | 2012-06-06 | Jib manufacture method, with the jib of the method manufacture and the pump truck that uses this jib |
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| Publication Number | Publication Date |
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| CN103470043A CN103470043A (en) | 2013-12-25 |
| CN103470043B true CN103470043B (en) | 2016-12-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748168B (en) * | 2019-10-15 | 2020-11-27 | 北京科技大学 | High-strength aluminum alloy arm support based on embedded material conveying pipe structure and hinge mode thereof |
| CN112496071B (en) * | 2020-11-09 | 2022-09-30 | 辽宁忠旺集团有限公司 | Production process of aluminum alloy stretch-bending section for new energy automobile |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202214991U (en) * | 2011-08-15 | 2012-05-09 | 徐工集团工程机械股份有限公司 | Arm of arm support of concrete pump vehicle as well as corresponding arm support and concrete pump vehicle |
-
2012
- 2012-06-06 CN CN201210184540.0A patent/CN103470043B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202214991U (en) * | 2011-08-15 | 2012-05-09 | 徐工集团工程机械股份有限公司 | Arm of arm support of concrete pump vehicle as well as corresponding arm support and concrete pump vehicle |
Non-Patent Citations (4)
| Title |
|---|
| "正确选择铝型材挤压速度的方法";颜建辉等;《轻合金加工技术》;20020730;第36-37页 * |
| "热处理工艺对6082铝合金挤压棒材组织和力学性能的影响";宋微等;《铝加工》;20101020(第196期);第42-46页 * |
| "铝合金挤压在线热处理技术";刘静安;《云南冶金》;20110808;第40卷;第143页第1节、第147页第2.4节的最后一段 * |
| "铝合金淬火新工艺";管鄂;《轻合金加工技术》;19840630;第45-50页 * |
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Address after: 410200 Sheng Tong Industrial Park, 109 Jinxing Road, Wangcheng District, Changsha, Hunan. Patentee after: Suntown Technology Group Corporation Address before: 410200 Sheng Tong Industrial Park, 109 Jinxing Road, Wangcheng District, Changsha, Hunan. Patentee before: Hunan Shengtong Technology Group Co., Ltd. |
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